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[bison.git] / tests / torture.at

diff --git a/tests/torture.at b/tests/torture.at
index 47016622d09f868a7004933d3f72c18c6084900e..31432cc8b08eff727e7d398b26e0f66919232887 100644 (file)
--- a/tests/torture.at
+++ b/tests/torture.at
@@ -1,5 +1,5 @@
 # Torturing Bison.                                    -*- Autotest -*-
-# Copyright (C) 2001, 2002 Free Software Foundation, Inc.
+# Copyright (C) 2001, 2002, 2004 Free Software Foundation, Inc.
 
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -19,6 +19,19 @@
 AT_BANNER([[Torture Tests.]])
 
 
+# AT_INCREASE_DATA_SIZE(SIZE)
+# -------------------------------------------
+# Try to increase the data size to SIZE KiB if possible.
+m4_define([AT_INCREASE_DATA_SIZE],
+[data_limit=`(ulimit -S -d) 2>/dev/null`
+case $data_limit in
+[[0-9]]*)
+  if test "$data_limit" -lt $1; then
+    ulimit -S -d $1
+  fi
+esac])
+
+
 ## ------------------------------------- ##
 ## Creating a large artificial grammar.  ##
 ## ------------------------------------- ##
@@ -35,10 +48,10 @@ use strict;
 my $max = $ARGV[0] || 10;
 
 print <<EOF;
+]AT_DATA_GRAMMAR_PROLOGUE[
 %{
 #include <stdio.h>
 #include <stdlib.h>
-#include <assert.h>
 
 #define YYERROR_VERBOSE 1
 #define YYDEBUG 1
@@ -63,8 +76,8 @@ for my $size (1 .. $max)
 print <<EOF;
 %%
 input:
-  exp        { assert (\@S|@1 == 0); \$\$ = \@S|@1; }
-| input exp  { assert (\@S|@2 == \@S|@1 + 1); \$\$ = \@S|@2; }
+  exp        { if (\@S|@1 != 0) abort (); \$\$ = \@S|@1; }
+| input exp  { if (\@S|@2 != \@S|@1 + 1) abort (); \$\$ = \@S|@2; }
 ;
 
 exp:
@@ -131,7 +144,7 @@ AT_SETUP([Big triangle])
 # With 500 and the new parser, which consume far too much memory,
 # it gets killed too.  Of course the parser is to be cleaned.
 AT_DATA_TRIANGULAR_GRAMMAR([input.y], [200])
-AT_CHECK([bison input.y -v -o input.c])
+AT_CHECK([bison -v -o input.c input.y])
 AT_COMPILE([input])
 AT_PARSER_CHECK([./input])
 
@@ -151,10 +164,10 @@ use strict;
 my $max = $ARGV[0] || 10;
 
 print <<EOF;
+]AT_DATA_GRAMMAR_PROLOGUE[
 %{
 #include <stdio.h>
 #include <stdlib.h>
-#include <assert.h>
 
 #define YYERROR_VERBOSE 1
 #define YYDEBUG 1
@@ -230,7 +243,12 @@ AT_SETUP([Big horizontal])
 # ./input                          0.00s user 0.01s sys 108% cpu     0.01 total
 #
 AT_DATA_HORIZONTAL_GRAMMAR([input.y], [1000])
-AT_CHECK([bison input.y -v -o input.c])
+
+# GNU m4 requires about 70 MiB for this test on a 32-bit host.
+# Ask for 200 MiB, which should be plenty even on a 64-bit host.
+AT_INCREASE_DATA_SIZE(204000)
+
+AT_CHECK([bison -v -o input.c input.y])
 AT_COMPILE([input])
 AT_PARSER_CHECK([./input])
 
@@ -238,11 +256,11 @@ AT_CLEANUP
 
 
 
-# AT_DATA_LOOKAHEADS_GRAMMAR(FILE-NAME, SIZE)
+# AT_DATA_LOOK_AHEAD_TOKENS_GRAMMAR(FILE-NAME, SIZE)
 # -------------------------------------------
 # Create FILE-NAME, containing a self checking parser for a grammar
-# requiring SIZE lookaheads.
-m4_define([AT_DATA_LOOKAHEADS_GRAMMAR],
+# requiring SIZE look-ahead tokens.
+m4_define([AT_DATA_LOOK_AHEAD_TOKENS_GRAMMAR],
 [AT_DATA([[gengram.pl]],
 [[#! /usr/bin/perl -w
 
@@ -254,7 +272,6 @@ print <<EOF;
 %{
 #include <stdio.h>
 #include <stdlib.h>
-#include <assert.h>
 
 #define YYERROR_VERBOSE 1
 #define YYDEBUG 1
@@ -285,17 +302,17 @@ for my $count (1 .. $max)
 print <<EOF;
 %%
 input:
-  exp        { assert (\@S|@1 == 1); \$\$ = \@S|@1; }
-| input exp  { assert (\@S|@2 == \@S|@1 + 1); \$\$ = \@S|@2; }
+  exp        { if (\@S|@1 != 1) abort (); \$\$ = \@S|@1; }
+| input exp  { if (\@S|@2 != \@S|@1 + 1) abort (); \$\$ = \@S|@2; }
 ;
 
 exp:
-  n1 "1" { assert (\@S|@1 == 1); }
+  n1 "1" { if (\@S|@1 != 1) abort (); }
 EOF
 
 for my $count (2 .. $max)
   {
-    print "| n$count \"$count\" { assert (\@S|@1 == $count); }\n";
+    print "| n$count \"$count\" { if (\@S|@1 != $count) abort (); }\n";
   };
 print ";\n";
 
@@ -342,14 +359,19 @@ mv stdout $1
 ])
 
 
-## ----------------- ##
-## Many lookaheads.  ##
-## ----------------- ##
+## ------------------------ ##
+## Many look-ahead tokens.  ##
+## ------------------------ ##
+
+AT_SETUP([Many look-ahead tokens])
+
+AT_DATA_LOOK_AHEAD_TOKENS_GRAMMAR([input.y], [1000])
 
-AT_SETUP([Many lookaheads])
+# GNU m4 requires about 70 MiB for this test on a 32-bit host.
+# Ask for 200 MiB, which should be plenty even on a 64-bit host.
+AT_INCREASE_DATA_SIZE(204000)
 
-AT_DATA_LOOKAHEADS_GRAMMAR([input.y], [1000])
-AT_CHECK([bison input.y -v -o input.c])
+AT_CHECK([bison -v -o input.c input.y])
 AT_COMPILE([input])
 AT_PARSER_CHECK([./input])
 
@@ -367,7 +389,6 @@ AT_DATA([input.y],
 [[%{
 #include <stdio.h>
 #include <stdlib.h>
-#include <assert.h>
 ]$1[
   static int yylex (void);
   static void yyerror (const char *msg);
@@ -400,13 +421,14 @@ yylex (void)
 int
 main (int argc, const char **argv)
 {
-  assert (argc == 2);
+  if (argc != 2)
+    abort ();
   yylval = atoi (argv[1]);
   yydebug = 1;
   return yyparse ();
 }
 ]])
-AT_CHECK([bison input.y -o input.c])
+AT_CHECK([bison -o input.c input.y])
 AT_COMPILE([input])
 ])